. MEDICAL: DISEASES : HEALTH : VITAMINS: Vitamin D Found to Influence Over 200 Genes, Highlighting Links to Disease Vitamin D Found to Influence Over 200 Genes, Highlighting Links to Disease Science News <http://www.sciencedaily.com/releases/2010/08/100823172327.htm>ScienceDaily (Aug. 23, 2010) The extent to which vitamin D deficiency may increase susceptibility to a wide range of diseases is dramatically highlighted in newly published research. Scientists have mapped the points at which vitamin D interacts with our DNA -- and identified over two hundred genes that it directly influences.
The results are published in the journal Genome Research.It is estimated that one billion people worldwide do not have sufficient vitamin D. This deficiency is thought to be largely due to insufficient exposure to the sun and in some cases to poor diet. As well as being a well-known risk factor for rickets, there is a growing body of evidence that vitamin D deficiency also increases an individual's susceptibility to autoimmune conditions such as multiple sclerosis (MS), rheumatoid arthritis and type 1 diabetes, as well as certain cancers and even dementia.
Now, in a study whose funders include the Medical Research Council (MRC), the MS Society, the Wellcome Trust and the MS Society of Canada, researchers at the University of Oxford have shown the extent to which vitamin D interacts with our DNA. They used new DNA sequencing technology to create a map of vitamin D receptor binding across the genome. The vitamin D receptor is a protein activated by vitamin D, which attaches itself to DNA and thus influences what proteins are made from our genetic code.
The complete article may be read at the URL above.A ChIP-seq defined genome-wide map of vitamin D receptor binding: Associations with disease and evolution Sreeram V. Ramagopalan, Andreas Heger, Antonio J. Berlanga, Narelle J. Maugeri, Matthew R. Lincoln, Amy Burrell, Lahiru Handunnetthi, Adam E. Handel, Giulio Disanto, Sarah-Michelle Orton, Corey T. Watson, Julia M. Morahan, Gavin Giovannoni, Chris P. Ponting, George C. Ebers, and Julian C. Knight Genome Res. Published in Advance August 24, 2010, doi:10.1101/gr.107920.110 ...ChIP-seq defined genome-wide map of vitamin D receptor binding: Associations with...vitamin D, through its cognate nuclear vitamin D receptor (VDR), and its contribution...changes in expression in response to vitamin D. VDR binding sites were significantly...
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